/*******************************************************************************
* Copyright (c) 2015-2016 Red Hat Inc and Others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Mickael Istria (Red Hat Inc.) - initial API and implementation
* Patrik Suzzi <psuzzi@gmail.com> - Bug 497156
*******************************************************************************/
package org.eclipse.ui.internal.ide;
import java.io.IOException;
import java.util.Optional;
import java.util.stream.Stream;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.preference.IPersistentPreferenceStore;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.util.Policy;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Link;
import org.eclipse.ui.ide.IDE;
import org.eclipse.ui.internal.dialogs.FileEditorsPreferencePage;
import org.eclipse.ui.internal.ide.registry.UnassociatedEditorStrategyRegistry;
/**
* @since 3.12
*
*/
public class ExtendedFileEditorsPreferencePage extends FileEditorsPreferencePage {
private IPreferenceStore idePreferenceStore;
@Override
protected Composite createContents(Composite parent) {
Composite res = (Composite)super.createContents(parent);
final UnassociatedEditorStrategyRegistry registry = IDEWorkbenchPlugin.getDefault()
.getUnassociatedEditorStrategyRegistry();
Composite defaultStrategyComposite = new Composite(res, SWT.NONE);
// Gets the first and only Link in the parent page
Optional<Control> cLink = Stream.of(res.getChildren()).filter(c -> c instanceof Link).findFirst();
defaultStrategyComposite.moveBelow(cLink.get());
GridLayout layout = new GridLayout(2, false);
layout.marginWidth = 0;
defaultStrategyComposite.setLayout(layout);
defaultStrategyComposite.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
Label unknownTypeStrategyLabel = new Label(defaultStrategyComposite, SWT.NONE);
unknownTypeStrategyLabel.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false));
unknownTypeStrategyLabel
.setText(IDEWorkbenchMessages.ExtendedFileEditorsPreferencePage_strategyForUnassociatedFiles);
ComboViewer viewer = new ComboViewer(defaultStrategyComposite);
viewer.setLabelProvider(new LabelProvider() {
@Override
public String getText(Object o) {
String id = (String) o;
String label = registry.getLabel(id);
if (label != null) {
return label;
}
IDEWorkbenchPlugin.log("Could not resolve unknownEditorStrategy '" + id + "'"); //$NON-NLS-1$ //$NON-NLS-2$
return NLS.bind(IDEWorkbenchMessages.ExtendedFileEditorsPreferencePage_labelNotResolved, id);
}
});
viewer.setContentProvider(new ArrayContentProvider());
viewer.setInput(registry.retrieveAllStrategies());
this.idePreferenceStore = IDEWorkbenchPlugin.getDefault().getPreferenceStore();
viewer.setSelection(
new StructuredSelection(this.idePreferenceStore.getString(IDE.UNASSOCIATED_EDITOR_STRATEGY_PREFERENCE_KEY)));
viewer.addSelectionChangedListener(new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
idePreferenceStore.setValue(IDE.UNASSOCIATED_EDITOR_STRATEGY_PREFERENCE_KEY,
(String) ((IStructuredSelection) event.getSelection()).getFirstElement());
}
});
return res;
}
@Override
public boolean performOk() {
if (idePreferenceStore != null && idePreferenceStore.needsSaving()
&& idePreferenceStore instanceof IPersistentPreferenceStore) {
try {
((IPersistentPreferenceStore) idePreferenceStore).save();
} catch (IOException e) {
String message = JFaceResources.format("PreferenceDialog.saveErrorMessage", getTitle(), //$NON-NLS-1$
e.getMessage());
Policy.getStatusHandler().show(new Status(IStatus.ERROR, Policy.JFACE, message, e),
JFaceResources.getString("PreferenceDialog.saveErrorTitle")); //$NON-NLS-1$
}
}
return super.performOk();
}
@Override
public void performDefaults() {
super.performDefaults();
idePreferenceStore.setToDefault(IDE.UNASSOCIATED_EDITOR_STRATEGY_PREFERENCE_KEY);
}
}